<template>
	<view class="wrap">
		<u-waterfall v-model="list" ref="uWaterfall">
			<template v-slot:left="{leftList}">
				<view class="demo-warter" v-for="(item, index) in leftList" :key="index">
					<u-lazy-load threshold="-450" border-radius="10" :image="item.product_image" :index="index">
					</u-lazy-load>
					<view class="demo-title">
						{{item.product_name}}
					</view>
					<view class="demo-price">
						{{item.product_price}}元
					</view>
					<view class="demo-tag">
						<view class="demo-tag-owner">
							自营
						</view>
						<view class="demo-tag-text">
							放心购
						</view>
					</view>
					<view class="demo-shop">
						{{item.product_summary}}
					</view>
				</view>
			</template>
			<template v-slot:right="{rightList}">
				<view class="demo-warter" v-for="(item, index) in rightList" :key="index">
					<u-lazy-load threshold="-450" border-radius="10" :image="item.product_image" :index="index"></u-lazy-load>
					<view class="demo-title">
						{{item.product_name}}
					</view>
					<view class="demo-price">
						{{item.product_price}}元
					</view>
					<view class="demo-tag">
						<view class="demo-tag-owner">
							自营
						</view>
						<view class="demo-tag-text">
							放心购
						</view>
					</view>
					<view class="demo-shop">
						{{item.product_summary}}
					</view>
				</view>
			</template>
		</u-waterfall>
	</view>
</template>

<script>
	export default {
		data() {
			return {
				list: []
			}
		},
		filters: {
			getImages(images) {
				return images.map(it => {
					return 'https://dc.huan-sha.net/api' + '/' + it
				})
			},
		},
		onLoad() {
			this.addRandomData();
		},
		methods: {
			addRandomData() {
				this.$u.api.productList({
					offset: 1,
					limit: 1000,
					keyword: ''
				}).then(res => {
					this.list = res.data.list.map(it => {
						return {
							...it,
							product_image: 'https://dc.huan-sha.net/api/' + it.product_image.split(',')[0]
						}
					})
				})
			}
		}
	}
</script>

<style>
	/* page不能写带scope的style标签中，否则无效 */
	page {
		background-color: rgb(240, 240, 240);
	}
</style>

<style lang="scss" scoped>
	.demo-warter {
		border-radius: 8px;
		margin: 5px;
		background-color: #ffffff;
		padding: 8px;
		position: relative;
	}

	.u-close {
		position: absolute;
		top: 32rpx;
		right: 32rpx;
	}

	.demo-image {
		width: 100%;
		border-radius: 4px;
	}

	.demo-title {
		font-size: 30rpx;
		margin-top: 5px;
		color: $u-main-color;
	}

	.demo-tag {
		display: flex;
		margin-top: 5px;
	}

	.demo-tag-owner {
		background-color: $u-type-error;
		color: #FFFFFF;
		display: flex;
		align-items: center;
		padding: 4rpx 14rpx;
		border-radius: 50rpx;
		font-size: 20rpx;
		line-height: 1;
	}

	.demo-tag-text {
		border: 1px solid $u-type-primary;
		color: $u-type-primary;
		margin-left: 10px;
		border-radius: 50rpx;
		line-height: 1;
		padding: 4rpx 14rpx;
		display: flex;
		align-items: center;
		border-radius: 50rpx;
		font-size: 20rpx;
	}

	.demo-price {
		font-size: 30rpx;
		color: $u-type-error;
		margin-top: 5px;
	}

	.demo-shop {
		font-size: 22rpx;
		color: $u-tips-color;
		margin-top: 5px;
	}
</style>
